Shah Rukh Khan is very happy about the success of Rohit Shetty directed Chennai Express especially in South India.

Please note it has netted an awesome Rs 156.70 crore in its first week, shattering all previous box-office records.

SRK while on promotion in Mumbai said : "Chennai Express is doing brisk business not only in North India, but at the southern box office like Tamil Nadu.

I'm very happy about its success in markets like Tamil Nadu and Kerala. I think it’s a great sign for Indian films."